docs: def get_last_content(request, page_id):
      """Get the latest content for a particular type"""
      content_type = request.GET.get('content_type')
      language_id = request.GET.get('language_id')
      page = get_object_or_404(Page, pk=page_id)
      placeholders = get_placeholders(page.get_template())
      _template = template.loader.get_template(page.get_template())
      for placeholder in placeholders:
          if placeholder.name == content_type:
              context = RequestContext(request, {
                  'current_page': page,
                  'lang': language_id
              })
              with context.bind_template(_template.template):
                  content = placeholder.render(context)
                  return HttpResponse(content)
      raise Http404